Recrystallization kinetic behavior of copper-bearing strip cast steel

Sellamuthu, Prabhukumar, Stanford, Nicole and Hodgson, Peter Damian 2013, Recrystallization kinetic behavior of copper-bearing strip cast steel, Steel research international, vol. 84, no. 12, pp. 1273-1280, doi: 10.1002/srin.201300050.

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Title Recrystallization kinetic behavior of copper-bearing strip cast steel
Author(s) Sellamuthu, Prabhukumar
Stanford, Nicole
Hodgson, Peter Damian
Journal name Steel research international
Volume number 84
Issue number 12
Start page 1273
End page 1280
Total pages 8
Publisher Wiley
Place of publication London, England
Publication date 2013-12
ISSN 0177-4832
Keyword(s) copper
strip cast
Summary In the present study, copper-bearing low carbon steels were produced by direct strip casting (DSC) method on a pilot scale. The effects of copper on mechanical, microstructural, and recrystallization behavior were investigated. As-cast microstructure mainly consists of polygonal ferrite and Widmanstatten ferrite. The increase in Cu increases the amount of Widmanstatten ferrite and induces the formation of bainite in the as-cast condition. It was found that copper increases strength and hardness by solid solution strengthening, grain refinement, and precipitation hardening and the increment is significant above 1% Cu in as-cast condition. Six different compositions were selected for recrystallization study. All the samples were cold rolled to 70% reduction and annealed at three different temperatures, 600, 650, and 700°C for various times. Recrystallization responses were strongly dependent on initial microstructure and Cu content and the effect is dramatic between 1 and 2% Cu. Recrystallization time and temperature were found to be increased with increase in copper content.
Language eng
DOI 10.1002/srin.201300050
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013, Wiley
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